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Garden Light Wire

Draw the cable run in familiar units, place the fixtures — get wire gauges, adapters and a bill of materials.

Status: published on Google Play
Stack: FlutterDartSQLiteAndroid

W 1160

Garden Light Wire editor: a wiring schema with branches and fixtures — Russian UI, test project names.

Garden Light Wire calculation result: fixtures, connectors, cables, voltage drop — Russian UI, test project names.

01What it does

Plan the cable run and get the bill of materials

An app for low-voltage lighting, published on Google Play for Android. The calculation result lists lights, connectors, cables and voltage drop.

Written in Flutter/Dart. The schema is stored as a tree; the app is offline-first on SQLite, which has gone through 13 schema versions. Excel export, Google sign-in, subscription via RevenueCat, 10 UI languages including RTL.

02Numbers

In numbers

~20.8k lines of Dart
232 commits in two waves
13 SQLite schema versions
10 UI languages incl. RTL

03Engineering decisions

What was hard

Decision 01

Cable cross-sections chosen by dynamic programming over the wiring tree

The choice accounts for voltage drop and current limits and is temperature-aware.

04Screens

How it looks

05Integrations

What it talks to

Google Play
Google sign-in
RevenueCat
Excel export